Description of problem:
Neutron integration uses the new "Device custom properties" API which is only available on cluster level >= 3.3
Version-Release number of selected component (if applicable):
How reproducible:
Always
Steps to Reproduce:
1. Add neutron network to a cluster < 3.3
Actual results:
The network will be attached to the cluster
Expected results:
You shouldn't be able to attach the network to such a cluster
Additional info:
This should probably be blocked on engine & UI side